Finding the Fourth Proportional to 144,193,978.50, 199,251,643.82 and 104,967,653.98

Step by Step Solution

1. Step 1: Write the proportion equation
   144,193,978.50 : 199,251,643.82 = 104,967,653.98 : x
2. Step 2: Convert to fraction form
   144,193,978.50/199,251,643.82 = 104,967,653.98/x
3. Step 3: Cross multiply
   144,193,978.50x = 199,251,643.82 × 104,967,653.98
4. Step 4: Simplify right side
   144,193,978.50x = 20,914,977,602,919,128
5. Step 5: Solve for x
   x = 20,914,977,602,919,128/144,193,978.50
6. Step 6: Final answer
   x = 145,047,510.45