Finding the Fourth Proportional to 92,308.07, 138,415.97 and 42,345.56

Step by Step Solution

1. Step 1: Write the proportion equation
   92,308.07 : 138,415.97 = 42,345.56 : x
2. Step 2: Convert to fraction form
   92,308.07/138,415.97 = 42,345.56/x
3. Step 3: Cross multiply
   92,308.07x = 138,415.97 × 42,345.56
4. Step 4: Simplify right side
   92,308.07x = 5,861,302,214.50
5. Step 5: Solve for x
   x = 5,861,302,214.50/92,308.07
6. Step 6: Final answer
   x = 63,497.18