Finding the Fourth Proportional to 60,931.76, 91,302.72 and 29,307.68

Step by Step Solution

1. Step 1: Write the proportion equation
   60,931.76 : 91,302.72 = 29,307.68 : x
2. Step 2: Convert to fraction form
   60,931.76/91,302.72 = 29,307.68/x
3. Step 3: Cross multiply
   60,931.76x = 91,302.72 × 29,307.68
4. Step 4: Simplify right side
   60,931.76x = 2,675,870,900.89
5. Step 5: Solve for x
   x = 2,675,870,900.89/60,931.76
6. Step 6: Final answer
   x = 43,915.86