Finding the Fourth Proportional to 105,757,137.37, 158,264,573.86 and 84,956,463.59

Step by Step Solution

1. Step 1: Write the proportion equation
   105,757,137.37 : 158,264,573.86 = 84,956,463.59 : x
2. Step 2: Convert to fraction form
   105,757,137.37/158,264,573.86 = 84,956,463.59/x
3. Step 3: Cross multiply
   105,757,137.37x = 158,264,573.86 × 84,956,463.59
4. Step 4: Simplify right side
   105,757,137.37x = 13,445,598,506,483,552
5. Step 5: Solve for x
   x = 13,445,598,506,483,552/105,757,137.37
6. Step 6: Final answer
   x = 127,136,558.73