Finding the Fourth Proportional to 83,943.02, 115,897.18 and 64,527.52

Step by Step Solution

1. Step 1: Write the proportion equation
   83,943.02 : 115,897.18 = 64,527.52 : x
2. Step 2: Convert to fraction form
   83,943.02/115,897.18 = 64,527.52/x
3. Step 3: Cross multiply
   83,943.02x = 115,897.18 × 64,527.52
4. Step 4: Simplify right side
   83,943.02x = 7,478,557,600.39
5. Step 5: Solve for x
   x = 7,478,557,600.39/83,943.02
6. Step 6: Final answer
   x = 89,090.88