Finding the Fourth Proportional to 123,779.09, 185,692.51 and 52,700.43

Step by Step Solution

1. Step 1: Write the proportion equation
   123,779.09 : 185,692.51 = 52,700.43 : x
2. Step 2: Convert to fraction form
   123,779.09/185,692.51 = 52,700.43/x
3. Step 3: Cross multiply
   123,779.09x = 185,692.51 × 52,700.43
4. Step 4: Simplify right side
   123,779.09x = 9,786,075,124.78
5. Step 5: Solve for x
   x = 9,786,075,124.78/123,779.09
6. Step 6: Final answer
   x = 79,060.81