Finding the Fourth Proportional to 52,798.50, 72,921.47 and 34,972.02

Step by Step Solution

1. Step 1: Write the proportion equation
   52,798.50 : 72,921.47 = 34,972.02 : x
2. Step 2: Convert to fraction form
   52,798.50/72,921.47 = 34,972.02/x
3. Step 3: Cross multiply
   52,798.50x = 72,921.47 × 34,972.02
4. Step 4: Simplify right side
   52,798.50x = 2,550,210,932.41
5. Step 5: Solve for x
   x = 2,550,210,932.41/52,798.50
6. Step 6: Final answer
   x = 48,300.82