Finding the Fourth Proportional to 85,142,061.12, 117,496,157.94 and 48,472,632.12

Step by Step Solution

1. Step 1: Write the proportion equation
   85,142,061.12 : 117,496,157.94 = 48,472,632.12 : x
2. Step 2: Convert to fraction form
   85,142,061.12/117,496,157.94 = 48,472,632.12/x
3. Step 3: Cross multiply
   85,142,061.12x = 117,496,157.94 × 48,472,632.12
4. Step 4: Simplify right side
   85,142,061.12x = 5,695,348,039,339,037
5. Step 5: Solve for x
   x = 5,695,348,039,339,037/85,142,061.12
6. Step 6: Final answer
   x = 66,892,297.00