Finding the Fourth Proportional to 82,654,787.55, 123,982,436.28 and 20,406,109.05

Step by Step Solution

1. Step 1: Write the proportion equation
   82,654,787.55 : 123,982,436.28 = 20,406,109.05 : x
2. Step 2: Convert to fraction form
   82,654,787.55/123,982,436.28 = 20,406,109.05/x
3. Step 3: Cross multiply
   82,654,787.55x = 123,982,436.28 × 20,406,109.05
4. Step 4: Simplify right side
   82,654,787.55x = 2,529,999,115,090,879.50
5. Step 5: Solve for x
   x = 2,529,999,115,090,879.50/82,654,787.55
6. Step 6: Final answer
   x = 30,609,226.52