Finding the Fourth Proportional to 14,271,830.81, 19,695,136.65 and 7,745,458.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,271,830.81 : 19,695,136.65 = 7,745,458.72 : x
2. Step 2: Convert to fraction form
   14,271,830.81/19,695,136.65 = 7,745,458.72/x
3. Step 3: Cross multiply
   14,271,830.81x = 19,695,136.65 × 7,745,458.72
4. Step 4: Simplify right side
   14,271,830.81x = 152,547,867,829,050.78
5. Step 5: Solve for x
   x = 152,547,867,829,050.78/14,271,830.81
6. Step 6: Final answer
   x = 10,688,738.53