Finding the Fourth Proportional to 2,109,458.61, 2,911,052.98 and 1,142,588.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,458.61 : 2,911,052.98 = 1,142,588.90 : x
2. Step 2: Convert to fraction form
   2,109,458.61/2,911,052.98 = 1,142,588.90/x
3. Step 3: Cross multiply
   2,109,458.61x = 2,911,052.98 × 1,142,588.90
4. Step 4: Simplify right side
   2,109,458.61x = 3,326,136,801,991.71
5. Step 5: Solve for x
   x = 3,326,136,801,991.71/2,109,458.61
6. Step 6: Final answer
   x = 1,576,772.73