Finding the Fourth Proportional to 55,136,463.08, 82,704,668.52 and 21,061,253.48

Step by Step Solution

1. Step 1: Write the proportion equation
   55,136,463.08 : 82,704,668.52 = 21,061,253.48 : x
2. Step 2: Convert to fraction form
   55,136,463.08/82,704,668.52 = 21,061,253.48/x
3. Step 3: Cross multiply
   55,136,463.08x = 82,704,668.52 × 21,061,253.48
4. Step 4: Simplify right side
   55,136,463.08x = 1,741,863,987,679,096.50
5. Step 5: Solve for x
   x = 1,741,863,987,679,096.50/55,136,463.08
6. Step 6: Final answer
   x = 31,591,870.25