Finding the Fourth Proportional to 146,139,060.02, 201,671,886.10 and 87,401,715.72

Step by Step Solution

1. Step 1: Write the proportion equation
   146,139,060.02 : 201,671,886.10 = 87,401,715.72 : x
2. Step 2: Convert to fraction form
   146,139,060.02/201,671,886.10 = 87,401,715.72/x
3. Step 3: Cross multiply
   146,139,060.02x = 201,671,886.10 × 87,401,715.72
4. Step 4: Simplify right side
   146,139,060.02x = 17,626,468,857,628,418
5. Step 5: Solve for x
   x = 17,626,468,857,628,418/146,139,060.02
6. Step 6: Final answer
   x = 120,614,357.69