Finding the Fourth Proportional to 77,500.53, 106,947.09 and 43,047.50

Step by Step Solution

1. Step 1: Write the proportion equation
   77,500.53 : 106,947.09 = 43,047.50 : x
2. Step 2: Convert to fraction form
   77,500.53/106,947.09 = 43,047.50/x
3. Step 3: Cross multiply
   77,500.53x = 106,947.09 × 43,047.50
4. Step 4: Simplify right side
   77,500.53x = 4,603,804,455.72
5. Step 5: Solve for x
   x = 4,603,804,455.72/77,500.53
6. Step 6: Final answer
   x = 59,403.52