Finding the Fourth Proportional to 99,303.53, 137,025.34 and 59,002.58

Step by Step Solution

1. Step 1: Write the proportion equation
   99,303.53 : 137,025.34 = 59,002.58 : x
2. Step 2: Convert to fraction form
   99,303.53/137,025.34 = 59,002.58/x
3. Step 3: Cross multiply
   99,303.53x = 137,025.34 × 59,002.58
4. Step 4: Simplify right side
   99,303.53x = 8,084,848,780.43
5. Step 5: Solve for x
   x = 8,084,848,780.43/99,303.53
6. Step 6: Final answer
   x = 81,415.53