Finding the Fourth Proportional to 2,199,985.56, 3,301,442.52 and 904,200.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,199,985.56 : 3,301,442.52 = 904,200.72 : x
2. Step 2: Convert to fraction form
   2,199,985.56/3,301,442.52 = 904,200.72/x
3. Step 3: Cross multiply
   2,199,985.56x = 3,301,442.52 × 904,200.72
4. Step 4: Simplify right side
   2,199,985.56x = 2,985,166,703,622.61
5. Step 5: Solve for x
   x = 2,985,166,703,622.61/2,199,985.56
6. Step 6: Final answer
   x = 1,356,902.86