Finding the Fourth Proportional to 123,075.80, 184,559.70 and 56,493.80

Step by Step Solution

1. Step 1: Write the proportion equation
   123,075.80 : 184,559.70 = 56,493.80 : x
2. Step 2: Convert to fraction form
   123,075.80/184,559.70 = 56,493.80/x
3. Step 3: Cross multiply
   123,075.80x = 184,559.70 × 56,493.80
4. Step 4: Simplify right side
   123,075.80x = 10,426,478,779.86
5. Step 5: Solve for x
   x = 10,426,478,779.86/123,075.80
6. Step 6: Final answer
   x = 84,715.91