Finding the Fourth Proportional to 60,755.55, 91,153.30 and 28,748.36

Step by Step Solution

1. Step 1: Write the proportion equation
   60,755.55 : 91,153.30 = 28,748.36 : x
2. Step 2: Convert to fraction form
   60,755.55/91,153.30 = 28,748.36/x
3. Step 3: Cross multiply
   60,755.55x = 91,153.30 × 28,748.36
4. Step 4: Simplify right side
   60,755.55x = 2,620,507,883.59
5. Step 5: Solve for x
   x = 2,620,507,883.59/60,755.55
6. Step 6: Final answer
   x = 43,131.99