Finding the Fourth Proportional to 139,540,140.05, 209,294,238.96 and 37,312,149.29

Step by Step Solution

1. Step 1: Write the proportion equation
   139,540,140.05 : 209,294,238.96 = 37,312,149.29 : x
2. Step 2: Convert to fraction form
   139,540,140.05/209,294,238.96 = 37,312,149.29/x
3. Step 3: Cross multiply
   139,540,140.05x = 209,294,238.96 × 37,312,149.29
4. Step 4: Simplify right side
   139,540,140.05x = 7,809,217,888,565,983
5. Step 5: Solve for x
   x = 7,809,217,888,565,983/139,540,140.05
6. Step 6: Final answer
   x = 55,963,953.35