Finding the Fourth Proportional to 153,443.89, 230,264.13 and 74,515.06

Step by Step Solution

1. Step 1: Write the proportion equation
   153,443.89 : 230,264.13 = 74,515.06 : x
2. Step 2: Convert to fraction form
   153,443.89/230,264.13 = 74,515.06/x
3. Step 3: Cross multiply
   153,443.89x = 230,264.13 × 74,515.06
4. Step 4: Simplify right side
   153,443.89x = 17,158,145,462.80
5. Step 5: Solve for x
   x = 17,158,145,462.80/153,443.89
6. Step 6: Final answer
   x = 111,820.32