Finding the Fourth Proportional to 151,388,341.82, 208,915,879.52 and 81,773,723.39

Step by Step Solution

1. Step 1: Write the proportion equation
   151,388,341.82 : 208,915,879.52 = 81,773,723.39 : x
2. Step 2: Convert to fraction form
   151,388,341.82/208,915,879.52 = 81,773,723.39/x
3. Step 3: Cross multiply
   151,388,341.82x = 208,915,879.52 × 81,773,723.39
4. Step 4: Simplify right side
   151,388,341.82x = 17,083,829,343,982,680
5. Step 5: Solve for x
   x = 17,083,829,343,982,680/151,388,341.82
6. Step 6: Final answer
   x = 112,847,720.89