Finding the Fourth Proportional to 91,669,904.12, 137,502,858.72 and 43,120,847.86

Step by Step Solution

1. Step 1: Write the proportion equation
   91,669,904.12 : 137,502,858.72 = 43,120,847.86 : x
2. Step 2: Convert to fraction form
   91,669,904.12/137,502,858.72 = 43,120,847.86/x
3. Step 3: Cross multiply
   91,669,904.12x = 137,502,858.72 × 43,120,847.86
4. Step 4: Simplify right side
   91,669,904.12x = 5,929,239,851,180,194
5. Step 5: Solve for x
   x = 5,929,239,851,180,194/91,669,904.12
6. Step 6: Final answer
   x = 64,680,332.20