Finding the Fourth Proportional to 3,111,362.83, 4,293,962.72 and 1,887,978.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111,362.83 : 4,293,962.72 = 1,887,978.32 : x
2. Step 2: Convert to fraction form
   3,111,362.83/4,293,962.72 = 1,887,978.32/x
3. Step 3: Cross multiply
   3,111,362.83x = 4,293,962.72 × 1,887,978.32
4. Step 4: Simplify right side
   3,111,362.83x = 8,106,908,522,248.23
5. Step 5: Solve for x
   x = 8,106,908,522,248.23/3,111,362.83
6. Step 6: Final answer
   x = 2,605,581.21