Finding the Fourth Proportional to 1,056,816, 1,458,406.17 and 604,116.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,056,816 : 1,458,406.17 = 604,116.72 : x
2. Step 2: Convert to fraction form
   1,056,816/1,458,406.17 = 604,116.72/x
3. Step 3: Cross multiply
   1,056,816x = 1,458,406.17 × 604,116.72
4. Step 4: Simplify right side
   1,056,816x = 881,047,551,848.16
5. Step 5: Solve for x
   x = 881,047,551,848.16/1,056,816
6. Step 6: Final answer
   x = 833,681.13