Finding the Fourth Proportional to 60,946.40, 91,428.72 and 19,402.72

Step by Step Solution

1. Step 1: Write the proportion equation
   60,946.40 : 91,428.72 = 19,402.72 : x
2. Step 2: Convert to fraction form
   60,946.40/91,428.72 = 19,402.72/x
3. Step 3: Cross multiply
   60,946.40x = 91,428.72 × 19,402.72
4. Step 4: Simplify right side
   60,946.40x = 1,773,965,854.12
5. Step 5: Solve for x
   x = 1,773,965,854.12/60,946.40
6. Step 6: Final answer
   x = 29,106.98