Finding the Fourth Proportional to 139,188,019.08, 208,964,495.89 and 93,335,063.74

Step by Step Solution

1. Step 1: Write the proportion equation
   139,188,019.08 : 208,964,495.89 = 93,335,063.74 : x
2. Step 2: Convert to fraction form
   139,188,019.08/208,964,495.89 = 93,335,063.74/x
3. Step 3: Cross multiply
   139,188,019.08x = 208,964,495.89 × 93,335,063.74
4. Step 4: Simplify right side
   139,188,019.08x = 19,503,714,544,207,120
5. Step 5: Solve for x
   x = 19,503,714,544,207,120/139,188,019.08
6. Step 6: Final answer
   x = 140,124,952.37