Finding the Fourth Proportional to 2,108,136.60, 3,162,213 and 510,696.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,136.60 : 3,162,213 = 510,696.72 : x
2. Step 2: Convert to fraction form
   2,108,136.60/3,162,213 = 510,696.72/x
3. Step 3: Cross multiply
   2,108,136.60x = 3,162,213 × 510,696.72
4. Step 4: Simplify right side
   2,108,136.60x = 1,614,931,807,041.36
5. Step 5: Solve for x
   x = 1,614,931,807,041.36/2,108,136.60
6. Step 6: Final answer
   x = 766,047.04