Finding the Fourth Proportional to 1,531,499.48, 2,111,902.76 and 1,015,074.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,531,499.48 : 2,111,902.76 = 1,015,074.05 : x
2. Step 2: Convert to fraction form
   1,531,499.48/2,111,902.76 = 1,015,074.05/x
3. Step 3: Cross multiply
   1,531,499.48x = 2,111,902.76 × 1,015,074.05
4. Step 4: Simplify right side
   1,531,499.48x = 2,143,737,695,616.82
5. Step 5: Solve for x
   x = 2,143,737,695,616.82/1,531,499.48
6. Step 6: Final answer
   x = 1,399,763.91