Finding the Fourth Proportional to 19,861.61, 29,792.38 and 5,070.53

Step by Step Solution

1. Step 1: Write the proportion equation
   19,861.61 : 29,792.38 = 5,070.53 : x
2. Step 2: Convert to fraction form
   19,861.61/29,792.38 = 5,070.53/x
3. Step 3: Cross multiply
   19,861.61x = 29,792.38 × 5,070.53
4. Step 4: Simplify right side
   19,861.61x = 151,062,994.92
5. Step 5: Solve for x
   x = 151,062,994.92/19,861.61
6. Step 6: Final answer
   x = 7,605.78