Finding the Fourth Proportional to 139,535,101.86, 209,334,185.07 and 46,161,854.30

Step by Step Solution

1. Step 1: Write the proportion equation
   139,535,101.86 : 209,334,185.07 = 46,161,854.30 : x
2. Step 2: Convert to fraction form
   139,535,101.86/209,334,185.07 = 46,161,854.30/x
3. Step 3: Cross multiply
   139,535,101.86x = 209,334,185.07 × 46,161,854.30
4. Step 4: Simplify right side
   139,535,101.86x = 9,663,254,150,741,830
5. Step 5: Solve for x
   x = 9,663,254,150,741,830/139,535,101.86
6. Step 6: Final answer
   x = 69,253,213.15