Finding the Fourth Proportional to 131,422.41, 181,362.81 and 70,993.05

Step by Step Solution

1. Step 1: Write the proportion equation
   131,422.41 : 181,362.81 = 70,993.05 : x
2. Step 2: Convert to fraction form
   131,422.41/181,362.81 = 70,993.05/x
3. Step 3: Cross multiply
   131,422.41x = 181,362.81 × 70,993.05
4. Step 4: Simplify right side
   131,422.41x = 12,875,499,038.47
5. Step 5: Solve for x
   x = 12,875,499,038.47/131,422.41
6. Step 6: Final answer
   x = 97,970.35