Finding the Fourth Proportional to 153,037.99, 229,626.24 and 78,119.47

Step by Step Solution

1. Step 1: Write the proportion equation
   153,037.99 : 229,626.24 = 78,119.47 : x
2. Step 2: Convert to fraction form
   153,037.99/229,626.24 = 78,119.47/x
3. Step 3: Cross multiply
   153,037.99x = 229,626.24 × 78,119.47
4. Step 4: Simplify right side
   153,037.99x = 17,938,280,166.89
5. Step 5: Solve for x
   x = 17,938,280,166.89/153,037.99
6. Step 6: Final answer
   x = 117,214.56