Finding the Fourth Proportional to 156,978,437, 235,469,752.14 and 49,273,061

Step by Step Solution

1. Step 1: Write the proportion equation
   156,978,437 : 235,469,752.14 = 49,273,061 : x
2. Step 2: Convert to fraction form
   156,978,437/235,469,752.14 = 49,273,061/x
3. Step 3: Cross multiply
   156,978,437x = 235,469,752.14 × 49,273,061
4. Step 4: Simplify right side
   156,978,437x = 11,602,315,460,849,100
5. Step 5: Solve for x
   x = 11,602,315,460,849,100/156,978,437
6. Step 6: Final answer
   x = 73,910,249.60