Finding the Fourth Proportional to 16,918,842,838.72, 25,362,485,774.52 and 5,718,924,382.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,918,842,838.72 : 25,362,485,774.52 = 5,718,924,382.72 : x
2. Step 2: Convert to fraction form
   16,918,842,838.72/25,362,485,774.52 = 5,718,924,382.72/x
3. Step 3: Cross multiply
   16,918,842,838.72x = 25,362,485,774.52 × 5,718,924,382.72
4. Step 4: Simplify right side
   16,918,842,838.72x = 145,046,138,302,291,574,784
5. Step 5: Solve for x
   x = 145,046,138,302,291,574,784/16,918,842,838.72
6. Step 6: Final answer
   x = 8,573,053,115.10