Finding the Fourth Proportional to 139,540,146.06, 209,294,247.96 and 37,312,155.30

Step by Step Solution

1. Step 1: Write the proportion equation
   139,540,146.06 : 209,294,247.96 = 37,312,155.30 : x
2. Step 2: Convert to fraction form
   139,540,146.06/209,294,247.96 = 37,312,155.30/x
3. Step 3: Cross multiply
   139,540,146.06x = 209,294,247.96 × 37,312,155.30
4. Step 4: Simplify right side
   139,540,146.06x = 7,809,219,483,280,228
5. Step 5: Solve for x
   x = 7,809,219,483,280,228/139,540,146.06
6. Step 6: Final answer
   x = 55,963,962.37