Finding the Fourth Proportional to 94,429.85, 141,808.80 and 91,477.40

Step by Step Solution

1. Step 1: Write the proportion equation
   94,429.85 : 141,808.80 = 91,477.40 : x
2. Step 2: Convert to fraction form
   94,429.85/141,808.80 = 91,477.40/x
3. Step 3: Cross multiply
   94,429.85x = 141,808.80 × 91,477.40
4. Step 4: Simplify right side
   94,429.85x = 12,972,300,321.12
5. Step 5: Solve for x
   x = 12,972,300,321.12/94,429.85
6. Step 6: Final answer
   x = 137,375.00