Finding the Fourth Proportional to 103,427.30, 155,030.59 and 58,958.30

Step by Step Solution

1. Step 1: Write the proportion equation
   103,427.30 : 155,030.59 = 58,958.30 : x
2. Step 2: Convert to fraction form
   103,427.30/155,030.59 = 58,958.30/x
3. Step 3: Cross multiply
   103,427.30x = 155,030.59 × 58,958.30
4. Step 4: Simplify right side
   103,427.30x = 9,140,339,739.61
5. Step 5: Solve for x
   x = 9,140,339,739.61/103,427.30
6. Step 6: Final answer
   x = 88,374.54