Finding the Fourth Proportional to 171,781,046.42, 257,913,707.43 and 123,232,434.84

Step by Step Solution

1. Step 1: Write the proportion equation
   171,781,046.42 : 257,913,707.43 = 123,232,434.84 : x
2. Step 2: Convert to fraction form
   171,781,046.42/257,913,707.43 = 123,232,434.84/x
3. Step 3: Cross multiply
   171,781,046.42x = 257,913,707.43 × 123,232,434.84
4. Step 4: Simplify right side
   171,781,046.42x = 31,783,334,145,210,300
5. Step 5: Solve for x
   x = 31,783,334,145,210,300/171,781,046.42
6. Step 6: Final answer
   x = 185,022,357.29