Finding the Fourth Proportional to 139,415,518.66, 209,078,910.69 and 46,025,101.48

Step by Step Solution

1. Step 1: Write the proportion equation
   139,415,518.66 : 209,078,910.69 = 46,025,101.48 : x
2. Step 2: Convert to fraction form
   139,415,518.66/209,078,910.69 = 46,025,101.48/x
3. Step 3: Cross multiply
   139,415,518.66x = 209,078,910.69 × 46,025,101.48
4. Step 4: Simplify right side
   139,415,518.66x = 9,622,878,081,835,106
5. Step 5: Solve for x
   x = 9,622,878,081,835,106/139,415,518.66
6. Step 6: Final answer
   x = 69,023,005.29