Finding the Fourth Proportional to 1,965,645.61, 2,712,142.16 and 1,105,892.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,965,645.61 : 2,712,142.16 = 1,105,892.17 : x
2. Step 2: Convert to fraction form
   1,965,645.61/2,712,142.16 = 1,105,892.17/x
3. Step 3: Cross multiply
   1,965,645.61x = 2,712,142.16 × 1,105,892.17
4. Step 4: Simplify right side
   1,965,645.61x = 2,999,336,778,670.89
5. Step 5: Solve for x
   x = 2,999,336,778,670.89/1,965,645.61
6. Step 6: Final answer
   x = 1,525,878.71