Finding the Fourth Proportional to 1,699,038.72, 2,548,926.72 and 517,056

Step by Step Solution

1. Step 1: Write the proportion equation
   1,699,038.72 : 2,548,926.72 = 517,056 : x
2. Step 2: Convert to fraction form
   1,699,038.72/2,548,926.72 = 517,056/x
3. Step 3: Cross multiply
   1,699,038.72x = 2,548,926.72 × 517,056
4. Step 4: Simplify right side
   1,699,038.72x = 1,317,937,854,136.32
5. Step 5: Solve for x
   x = 1,317,937,854,136.32/1,699,038.72
6. Step 6: Final answer
   x = 775,696.19