Finding the Fourth Proportional to 86,336,389.52, 119,151,010.72 and 49,168,242.80

Step by Step Solution

1. Step 1: Write the proportion equation
   86,336,389.52 : 119,151,010.72 = 49,168,242.80 : x
2. Step 2: Convert to fraction form
   86,336,389.52/119,151,010.72 = 49,168,242.80/x
3. Step 3: Cross multiply
   86,336,389.52x = 119,151,010.72 × 49,168,242.80
4. Step 4: Simplify right side
   86,336,389.52x = 5,858,445,824,946,362
5. Step 5: Solve for x
   x = 5,858,445,824,946,362/86,336,389.52
6. Step 6: Final answer
   x = 67,856,043.76