Finding the Fourth Proportional to 144,678,112.47, 199,657,194.50 and 78,599,083.59

Step by Step Solution

1. Step 1: Write the proportion equation
   144,678,112.47 : 199,657,194.50 = 78,599,083.59 : x
2. Step 2: Convert to fraction form
   144,678,112.47/199,657,194.50 = 78,599,083.59/x
3. Step 3: Cross multiply
   144,678,112.47x = 199,657,194.50 × 78,599,083.59
4. Step 4: Simplify right side
   144,678,112.47x = 15,692,872,520,046,886
5. Step 5: Solve for x
   x = 15,692,872,520,046,886/144,678,112.47
6. Step 6: Final answer
   x = 108,467,495.55