Finding the Fourth Proportional to 113,301,158.81, 156,141,890.50 and 99,271,116.41

Step by Step Solution

1. Step 1: Write the proportion equation
   113,301,158.81 : 156,141,890.50 = 99,271,116.41 : x
2. Step 2: Convert to fraction form
   113,301,158.81/156,141,890.50 = 99,271,116.41/x
3. Step 3: Cross multiply
   113,301,158.81x = 156,141,890.50 × 99,271,116.41
4. Step 4: Simplify right side
   113,301,158.81x = 15,500,379,788,637,278
5. Step 5: Solve for x
   x = 15,500,379,788,637,278/113,301,158.81
6. Step 6: Final answer
   x = 136,806,895.45