Finding the Fourth Proportional to 151,601,549.98, 209,210,765.53 and 81,986,929.42

Step by Step Solution

1. Step 1: Write the proportion equation
   151,601,549.98 : 209,210,765.53 = 81,986,929.42 : x
2. Step 2: Convert to fraction form
   151,601,549.98/209,210,765.53 = 81,986,929.42/x
3. Step 3: Cross multiply
   151,601,549.98x = 209,210,765.53 × 81,986,929.42
4. Step 4: Simplify right side
   151,601,549.98x = 17,152,548,267,207,312
5. Step 5: Solve for x
   x = 17,152,548,267,207,312/151,601,549.98
6. Step 6: Final answer
   x = 113,142,301.44