Finding the Fourth Proportional to 53,842,718.68, 80,784,432.52 and 21,076,704.72

Step by Step Solution

1. Step 1: Write the proportion equation
   53,842,718.68 : 80,784,432.52 = 21,076,704.72 : x
2. Step 2: Convert to fraction form
   53,842,718.68/80,784,432.52 = 21,076,704.72/x
3. Step 3: Cross multiply
   53,842,718.68x = 80,784,432.52 × 21,076,704.72
4. Step 4: Simplify right side
   53,842,718.68x = 1,702,669,630,196,805.25
5. Step 5: Solve for x
   x = 1,702,669,630,196,805.25/53,842,718.68
6. Step 6: Final answer
   x = 31,623,024.84