Finding the Fourth Proportional to 52,808.46, 72,940.41 and 42,748.26

Step by Step Solution

1. Step 1: Write the proportion equation
   52,808.46 : 72,940.41 = 42,748.26 : x
2. Step 2: Convert to fraction form
   52,808.46/72,940.41 = 42,748.26/x
3. Step 3: Cross multiply
   52,808.46x = 72,940.41 × 42,748.26
4. Step 4: Simplify right side
   52,808.46x = 3,118,075,611.19
5. Step 5: Solve for x
   x = 3,118,075,611.19/52,808.46
6. Step 6: Final answer
   x = 59,045.00