Finding the Fourth Proportional to 99,312.79, 148,973.72 and 32,758.72

Step by Step Solution

1. Step 1: Write the proportion equation
   99,312.79 : 148,973.72 = 32,758.72 : x
2. Step 2: Convert to fraction form
   99,312.79/148,973.72 = 32,758.72/x
3. Step 3: Cross multiply
   99,312.79x = 148,973.72 × 32,758.72
4. Step 4: Simplify right side
   99,312.79x = 4,880,188,380.84
5. Step 5: Solve for x
   x = 4,880,188,380.84/99,312.79
6. Step 6: Final answer
   x = 49,139.58