Finding the Fourth Proportional to 1,505,317.32, 2,079,061.98 and 991,368.66

Step by Step Solution

1. Step 1: Write the proportion equation
   1,505,317.32 : 2,079,061.98 = 991,368.66 : x
2. Step 2: Convert to fraction form
   1,505,317.32/2,079,061.98 = 991,368.66/x
3. Step 3: Cross multiply
   1,505,317.32x = 2,079,061.98 × 991,368.66
4. Step 4: Simplify right side
   1,505,317.32x = 2,061,116,889,169.55
5. Step 5: Solve for x
   x = 2,061,116,889,169.55/1,505,317.32
6. Step 6: Final answer
   x = 1,369,224.19