Finding the Fourth Proportional to 152,948.32, 229,053.32 and 91,983.28

Step by Step Solution

1. Step 1: Write the proportion equation
   152,948.32 : 229,053.32 = 91,983.28 : x
2. Step 2: Convert to fraction form
   152,948.32/229,053.32 = 91,983.28/x
3. Step 3: Cross multiply
   152,948.32x = 229,053.32 × 91,983.28
4. Step 4: Simplify right side
   152,948.32x = 21,069,075,668.49
5. Step 5: Solve for x
   x = 21,069,075,668.49/152,948.32
6. Step 6: Final answer
   x = 137,752.91