Finding the Fourth Proportional to 162,406,689.42, 243,673,843.50 and 71,466,505.50

Step by Step Solution

1. Step 1: Write the proportion equation
   162,406,689.42 : 243,673,843.50 = 71,466,505.50 : x
2. Step 2: Convert to fraction form
   162,406,689.42/243,673,843.50 = 71,466,505.50/x
3. Step 3: Cross multiply
   162,406,689.42x = 243,673,843.50 × 71,466,505.50
4. Step 4: Simplify right side
   162,406,689.42x = 17,414,518,076,698,890
5. Step 5: Solve for x
   x = 17,414,518,076,698,890/162,406,689.42
6. Step 6: Final answer
   x = 107,227,837.34