Finding the Fourth Proportional to 91,859,064.10, 137,788,596.15 and 89,733,300.10

Step by Step Solution

1. Step 1: Write the proportion equation
   91,859,064.10 : 137,788,596.15 = 89,733,300.10 : x
2. Step 2: Convert to fraction form
   91,859,064.10/137,788,596.15 = 89,733,300.10/x
3. Step 3: Cross multiply
   91,859,064.10x = 137,788,596.15 × 89,733,300.10
4. Step 4: Simplify right side
   91,859,064.10x = 12,364,225,448,685,654
5. Step 5: Solve for x
   x = 12,364,225,448,685,654/91,859,064.10
6. Step 6: Final answer
   x = 134,599,950.15