Finding the Fourth Proportional to 94,005.12, 129,726.72 and 58,188

Step by Step Solution

1. Step 1: Write the proportion equation
   94,005.12 : 129,726.72 = 58,188 : x
2. Step 2: Convert to fraction form
   94,005.12/129,726.72 = 58,188/x
3. Step 3: Cross multiply
   94,005.12x = 129,726.72 × 58,188
4. Step 4: Simplify right side
   94,005.12x = 7,548,538,383.36
5. Step 5: Solve for x
   x = 7,548,538,383.36/94,005.12
6. Step 6: Final answer
   x = 80,299.23