Finding the Fourth Proportional to 1,111,426.34, 1,533,769.91 and 602,128.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111,426.34 : 1,533,769.91 = 602,128.71 : x
2. Step 2: Convert to fraction form
   1,111,426.34/1,533,769.91 = 602,128.71/x
3. Step 3: Cross multiply
   1,111,426.34x = 1,533,769.91 × 602,128.71
4. Step 4: Simplify right side
   1,111,426.34x = 923,526,894,334.47
5. Step 5: Solve for x
   x = 923,526,894,334.47/1,111,426.34
6. Step 6: Final answer
   x = 830,938.47