Finding the Fourth Proportional to 90,554.22, 135,973.50 and 76,695.93

Step by Step Solution

1. Step 1: Write the proportion equation
   90,554.22 : 135,973.50 = 76,695.93 : x
2. Step 2: Convert to fraction form
   90,554.22/135,973.50 = 76,695.93/x
3. Step 3: Cross multiply
   90,554.22x = 135,973.50 × 76,695.93
4. Step 4: Simplify right side
   90,554.22x = 10,428,614,037.86
5. Step 5: Solve for x
   x = 10,428,614,037.86/90,554.22
6. Step 6: Final answer
   x = 115,164.31