Finding the Fourth Proportional to 77,858, 107,444.04 and 42,530

Step by Step Solution

1. Step 1: Write the proportion equation
   77,858 : 107,444.04 = 42,530 : x
2. Step 2: Convert to fraction form
   77,858/107,444.04 = 42,530/x
3. Step 3: Cross multiply
   77,858x = 107,444.04 × 42,530
4. Step 4: Simplify right side
   77,858x = 4,569,595,021.20
5. Step 5: Solve for x
   x = 4,569,595,021.20/77,858
6. Step 6: Final answer
   x = 58,691.40