Finding the Fourth Proportional to 1,152,494.82, 1,590,468.42 and 636,247.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152,494.82 : 1,590,468.42 = 636,247.56 : x
2. Step 2: Convert to fraction form
   1,152,494.82/1,590,468.42 = 636,247.56/x
3. Step 3: Cross multiply
   1,152,494.82x = 1,590,468.42 × 636,247.56
4. Step 4: Simplify right side
   1,152,494.82x = 1,011,931,651,482.06
5. Step 5: Solve for x
   x = 1,011,931,651,482.06/1,152,494.82
6. Step 6: Final answer
   x = 878,035.75