Finding the Fourth Proportional to 88,131.72, 121,622.10 and 47,845.56

Step by Step Solution

1. Step 1: Write the proportion equation
   88,131.72 : 121,622.10 = 47,845.56 : x
2. Step 2: Convert to fraction form
   88,131.72/121,622.10 = 47,845.56/x
3. Step 3: Cross multiply
   88,131.72x = 121,622.10 × 47,845.56
4. Step 4: Simplify right side
   88,131.72x = 5,819,077,482.88
5. Step 5: Solve for x
   x = 5,819,077,482.88/88,131.72
6. Step 6: Final answer
   x = 66,027.05