Finding the Fourth Proportional to 88,943.28, 133,567.56 and 78,970.56

Step by Step Solution

1. Step 1: Write the proportion equation
   88,943.28 : 133,567.56 = 78,970.56 : x
2. Step 2: Convert to fraction form
   88,943.28/133,567.56 = 78,970.56/x
3. Step 3: Cross multiply
   88,943.28x = 133,567.56 × 78,970.56
4. Step 4: Simplify right side
   88,943.28x = 10,547,905,011.03
5. Step 5: Solve for x
   x = 10,547,905,011.03/88,943.28
6. Step 6: Final answer
   x = 118,591.37