Finding the Fourth Proportional to 413,061.93, 619,599.74 and 113,540.67

Step by Step Solution

1. Step 1: Write the proportion equation
   413,061.93 : 619,599.74 = 113,540.67 : x
2. Step 2: Convert to fraction form
   413,061.93/619,599.74 = 113,540.67/x
3. Step 3: Cross multiply
   413,061.93x = 619,599.74 × 113,540.67
4. Step 4: Simplify right side
   413,061.93x = 70,349,769,043.72
5. Step 5: Solve for x
   x = 70,349,769,043.72/413,061.93
6. Step 6: Final answer
   x = 170,312.89