Finding the Fourth Proportional to 111,288.04, 153,488.10 and 97,830.52

Step by Step Solution

1. Step 1: Write the proportion equation
   111,288.04 : 153,488.10 = 97,830.52 : x
2. Step 2: Convert to fraction form
   111,288.04/153,488.10 = 97,830.52/x
3. Step 3: Cross multiply
   111,288.04x = 153,488.10 × 97,830.52
4. Step 4: Simplify right side
   111,288.04x = 15,015,820,636.81
5. Step 5: Solve for x
   x = 15,015,820,636.81/111,288.04
6. Step 6: Final answer
   x = 134,927.53