Finding the Fourth Proportional to 19,438,532.16, 29,162,147.30 and 7,308,100.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,438,532.16 : 29,162,147.30 = 7,308,100.72 : x
2. Step 2: Convert to fraction form
   19,438,532.16/29,162,147.30 = 7,308,100.72/x
3. Step 3: Cross multiply
   19,438,532.16x = 29,162,147.30 × 7,308,100.72
4. Step 4: Simplify right side
   19,438,532.16x = 213,119,909,679,876.06
5. Step 5: Solve for x
   x = 213,119,909,679,876.06/19,438,532.16
6. Step 6: Final answer
   x = 10,963,786.15