Finding the Fourth Proportional to 139,566,498.80, 209,372,488.83 and 41,208,147.90

Step by Step Solution

1. Step 1: Write the proportion equation
   139,566,498.80 : 209,372,488.83 = 41,208,147.90 : x
2. Step 2: Convert to fraction form
   139,566,498.80/209,372,488.83 = 41,208,147.90/x
3. Step 3: Cross multiply
   139,566,498.80x = 209,372,488.83 × 41,208,147.90
4. Step 4: Simplify right side
   139,566,498.80x = 8,627,852,485,897,738
5. Step 5: Solve for x
   x = 8,627,852,485,897,738/139,566,498.80
6. Step 6: Final answer
   x = 61,818,936.21