Finding the Fourth Proportional to 1,931,405.69, 2,665,669.71 and 1,115,462.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931,405.69 : 2,665,669.71 = 1,115,462.72 : x
2. Step 2: Convert to fraction form
   1,931,405.69/2,665,669.71 = 1,115,462.72/x
3. Step 3: Cross multiply
   1,931,405.69x = 2,665,669.71 × 1,115,462.72
4. Step 4: Simplify right side
   1,931,405.69x = 2,973,455,172,009.86
5. Step 5: Solve for x
   x = 2,973,455,172,009.86/1,931,405.69
6. Step 6: Final answer
   x = 1,539,529.06