Finding the Fourth Proportional to 1,061,902.56, 1,593,125.76 and 352,128.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061,902.56 : 1,593,125.76 = 352,128.72 : x
2. Step 2: Convert to fraction form
   1,061,902.56/1,593,125.76 = 352,128.72/x
3. Step 3: Cross multiply
   1,061,902.56x = 1,593,125.76 × 352,128.72
4. Step 4: Simplify right side
   1,061,902.56x = 560,985,334,667.83
5. Step 5: Solve for x
   x = 560,985,334,667.83/1,061,902.56
6. Step 6: Final answer
   x = 528,283.25