Finding the Fourth Proportional to 1,111,118.76, 1,656,966.02 and 988,646.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111,118.76 : 1,656,966.02 = 988,646.76 : x
2. Step 2: Convert to fraction form
   1,111,118.76/1,656,966.02 = 988,646.76/x
3. Step 3: Cross multiply
   1,111,118.76x = 1,656,966.02 × 988,646.76
4. Step 4: Simplify right side
   1,111,118.76x = 1,638,154,082,159.86
5. Step 5: Solve for x
   x = 1,638,154,082,159.86/1,111,118.76
6. Step 6: Final answer
   x = 1,474,328.52