Finding the Fourth Proportional to 60,748.60, 91,143.40 and 38,276.15

Step by Step Solution

1. Step 1: Write the proportion equation
   60,748.60 : 91,143.40 = 38,276.15 : x
2. Step 2: Convert to fraction form
   60,748.60/91,143.40 = 38,276.15/x
3. Step 3: Cross multiply
   60,748.60x = 91,143.40 × 38,276.15
4. Step 4: Simplify right side
   60,748.60x = 3,488,617,835.71
5. Step 5: Solve for x
   x = 3,488,617,835.71/60,748.60
6. Step 6: Final answer
   x = 57,427.14