Finding the Fourth Proportional to 1,111,441.17, 1,533,796.18 and 602,143.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111,441.17 : 1,533,796.18 = 602,143.55 : x
2. Step 2: Convert to fraction form
   1,111,441.17/1,533,796.18 = 602,143.55/x
3. Step 3: Cross multiply
   1,111,441.17x = 1,533,796.18 × 602,143.55
4. Step 4: Simplify right side
   1,111,441.17x = 923,565,467,627.30
5. Step 5: Solve for x
   x = 923,565,467,627.30/1,111,441.17
6. Step 6: Final answer
   x = 830,962.08