Finding the Fourth Proportional to 118,792,406.01, 163,933,873.43 and 65,872,841.81

Step by Step Solution

1. Step 1: Write the proportion equation
   118,792,406.01 : 163,933,873.43 = 65,872,841.81 : x
2. Step 2: Convert to fraction form
   118,792,406.01/163,933,873.43 = 65,872,841.81/x
3. Step 3: Cross multiply
   118,792,406.01x = 163,933,873.43 × 65,872,841.81
4. Step 4: Simplify right side
   118,792,406.01x = 10,798,790,111,898,254
5. Step 5: Solve for x
   x = 10,798,790,111,898,254/118,792,406.01
6. Step 6: Final answer
   x = 90,904,717.52