Finding the Fourth Proportional to 37,630.28, 56,471.34 and 13,006.28

Step by Step Solution

1. Step 1: Write the proportion equation
   37,630.28 : 56,471.34 = 13,006.28 : x
2. Step 2: Convert to fraction form
   37,630.28/56,471.34 = 13,006.28/x
3. Step 3: Cross multiply
   37,630.28x = 56,471.34 × 13,006.28
4. Step 4: Simplify right side
   37,630.28x = 734,482,060.02
5. Step 5: Solve for x
   x = 734,482,060.02/37,630.28
6. Step 6: Final answer
   x = 19,518.38