Finding the Fourth Proportional to 85,726,016.47, 118,287,879.15 and 50,473,528.98

Step by Step Solution

1. Step 1: Write the proportion equation
   85,726,016.47 : 118,287,879.15 = 50,473,528.98 : x
2. Step 2: Convert to fraction form
   85,726,016.47/118,287,879.15 = 50,473,528.98/x
3. Step 3: Cross multiply
   85,726,016.47x = 118,287,879.15 × 50,473,528.98
4. Step 4: Simplify right side
   85,726,016.47x = 5,970,406,696,260,263
5. Step 5: Solve for x
   x = 5,970,406,696,260,263/85,726,016.47
6. Step 6: Final answer
   x = 69,645,213.23