Finding the Fourth Proportional to 2,068,290.91, 3,102,437.26 and 648,457.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068,290.91 : 3,102,437.26 = 648,457.69 : x
2. Step 2: Convert to fraction form
   2,068,290.91/3,102,437.26 = 648,457.69/x
3. Step 3: Cross multiply
   2,068,290.91x = 3,102,437.26 × 648,457.69
4. Step 4: Simplify right side
   2,068,290.91x = 2,011,799,283,477.34
5. Step 5: Solve for x
   x = 2,011,799,283,477.34/2,068,290.91
6. Step 6: Final answer
   x = 972,686.81