Finding the Fourth Proportional to 130,342.72, 179,872.32 and 70,726.72

Step by Step Solution

1. Step 1: Write the proportion equation
   130,342.72 : 179,872.32 = 70,726.72 : x
2. Step 2: Convert to fraction form
   130,342.72/179,872.32 = 70,726.72/x
3. Step 3: Cross multiply
   130,342.72x = 179,872.32 × 70,726.72
4. Step 4: Simplify right side
   130,342.72x = 12,721,779,212.39
5. Step 5: Solve for x
   x = 12,721,779,212.39/130,342.72
6. Step 6: Final answer
   x = 97,602.53