Finding the Fourth Proportional to 1,931,411.69, 2,665,677.98 and 1,115,468.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931,411.69 : 2,665,677.98 = 1,115,468.72 : x
2. Step 2: Convert to fraction form
   1,931,411.69/2,665,677.98 = 1,115,468.72/x
3. Step 3: Cross multiply
   1,931,411.69x = 2,665,677.98 × 1,115,468.72
4. Step 4: Simplify right side
   1,931,411.69x = 2,973,480,393,743.07
5. Step 5: Solve for x
   x = 2,973,480,393,743.07/1,931,411.69
6. Step 6: Final answer
   x = 1,539,537.33