Finding the Fourth Proportional to 42,096,476.50, 63,150,700.44 and 12,952,731.98

Step by Step Solution

1. Step 1: Write the proportion equation
   42,096,476.50 : 63,150,700.44 = 12,952,731.98 : x
2. Step 2: Convert to fraction form
   42,096,476.50/63,150,700.44 = 12,952,731.98/x
3. Step 3: Cross multiply
   42,096,476.50x = 63,150,700.44 × 12,952,731.98
4. Step 4: Simplify right side
   42,096,476.50x = 817,974,097,148,588.12
5. Step 5: Solve for x
   x = 817,974,097,148,588.12/42,096,476.50
6. Step 6: Final answer
   x = 19,430,939.72