Finding the Fourth Proportional to 147,719.61, 221,579.78 and 58,980.33

Step by Step Solution

1. Step 1: Write the proportion equation
   147,719.61 : 221,579.78 = 58,980.33 : x
2. Step 2: Convert to fraction form
   147,719.61/221,579.78 = 58,980.33/x
3. Step 3: Cross multiply
   147,719.61x = 221,579.78 × 58,980.33
4. Step 4: Simplify right side
   147,719.61x = 13,068,848,250.83
5. Step 5: Solve for x
   x = 13,068,848,250.83/147,719.61
6. Step 6: Final answer
   x = 88,470.64