Finding the Fourth Proportional to 153,443.39, 230,008.23 and 103,528.55

Step by Step Solution

1. Step 1: Write the proportion equation
   153,443.39 : 230,008.23 = 103,528.55 : x
2. Step 2: Convert to fraction form
   153,443.39/230,008.23 = 103,528.55/x
3. Step 3: Cross multiply
   153,443.39x = 230,008.23 × 103,528.55
4. Step 4: Simplify right side
   153,443.39x = 23,812,417,389.93
5. Step 5: Solve for x
   x = 23,812,417,389.93/153,443.39
6. Step 6: Final answer
   x = 155,186.99