Finding the Fourth Proportional to 69,820.52, 103,941.02 and 69,405.32

Step by Step Solution

1. Step 1: Write the proportion equation
   69,820.52 : 103,941.02 = 69,405.32 : x
2. Step 2: Convert to fraction form
   69,820.52/103,941.02 = 69,405.32/x
3. Step 3: Cross multiply
   69,820.52x = 103,941.02 × 69,405.32
4. Step 4: Simplify right side
   69,820.52x = 7,214,060,187.59
5. Step 5: Solve for x
   x = 7,214,060,187.59/69,820.52
6. Step 6: Final answer
   x = 103,322.93