Finding the Fourth Proportional to 156,342,641.82, 234,361,460.43 and 74,439,513.69

Step by Step Solution

1. Step 1: Write the proportion equation
   156,342,641.82 : 234,361,460.43 = 74,439,513.69 : x
2. Step 2: Convert to fraction form
   156,342,641.82/234,361,460.43 = 74,439,513.69/x
3. Step 3: Cross multiply
   156,342,641.82x = 234,361,460.43 × 74,439,513.69
4. Step 4: Simplify right side
   156,342,641.82x = 17,445,753,142,087,378
5. Step 5: Solve for x
   x = 17,445,753,142,087,378/156,342,641.82
6. Step 6: Final answer
   x = 111,586,659.53