Finding the Fourth Proportional to 156,044,139.39, 234,151,902.99 and 90,545,364.72

Step by Step Solution

1. Step 1: Write the proportion equation
   156,044,139.39 : 234,151,902.99 = 90,545,364.72 : x
2. Step 2: Convert to fraction form
   156,044,139.39/234,151,902.99 = 90,545,364.72/x
3. Step 3: Cross multiply
   156,044,139.39x = 234,151,902.99 × 90,545,364.72
4. Step 4: Simplify right side
   156,044,139.39x = 21,201,369,456,111,608
5. Step 5: Solve for x
   x = 21,201,369,456,111,608/156,044,139.39
6. Step 6: Final answer
   x = 135,867,771.38