Finding the Fourth Proportional to 127,155,648.96, 190,455,392.52 and 90,155,384.28

Step by Step Solution

1. Step 1: Write the proportion equation
   127,155,648.96 : 190,455,392.52 = 90,155,384.28 : x
2. Step 2: Convert to fraction form
   127,155,648.96/190,455,392.52 = 90,155,384.28/x
3. Step 3: Cross multiply
   127,155,648.96x = 190,455,392.52 × 90,155,384.28
4. Step 4: Simplify right side
   127,155,648.96x = 17,170,579,100,838,838
5. Step 5: Solve for x
   x = 17,170,579,100,838,838/127,155,648.96
6. Step 6: Final answer
   x = 135,035,912.61