Finding the Fourth Proportional to 2,231,887.50, 3,080,026.62 and 1,213,314.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,231,887.50 : 3,080,026.62 = 1,213,314.12 : x
2. Step 2: Convert to fraction form
   2,231,887.50/3,080,026.62 = 1,213,314.12/x
3. Step 3: Cross multiply
   2,231,887.50x = 3,080,026.62 × 1,213,314.12
4. Step 4: Simplify right side
   2,231,887.50x = 3,737,039,788,021.88
5. Step 5: Solve for x
   x = 3,737,039,788,021.88/2,231,887.50
6. Step 6: Final answer
   x = 1,674,385.37