Finding the Fourth Proportional to 59,422.36, 81,830.02 and 55,623.40

Step by Step Solution

1. Step 1: Write the proportion equation
   59,422.36 : 81,830.02 = 55,623.40 : x
2. Step 2: Convert to fraction form
   59,422.36/81,830.02 = 55,623.40/x
3. Step 3: Cross multiply
   59,422.36x = 81,830.02 × 55,623.40
4. Step 4: Simplify right side
   59,422.36x = 4,551,663,934.47
5. Step 5: Solve for x
   x = 4,551,663,934.47/59,422.36
6. Step 6: Final answer
   x = 76,598.50