Finding the Fourth Proportional to 45,373.86, 62,611.64 and 42,030.18

Step by Step Solution

1. Step 1: Write the proportion equation
   45,373.86 : 62,611.64 = 42,030.18 : x
2. Step 2: Convert to fraction form
   45,373.86/62,611.64 = 42,030.18/x
3. Step 3: Cross multiply
   45,373.86x = 62,611.64 × 42,030.18
4. Step 4: Simplify right side
   45,373.86x = 2,631,578,499.30
5. Step 5: Solve for x
   x = 2,631,578,499.30/45,373.86
6. Step 6: Final answer
   x = 57,997.68