Finding the Fourth Proportional to 139,943,456.06, 193,191,886.88 and 87,037,216.88

Step by Step Solution

1. Step 1: Write the proportion equation
   139,943,456.06 : 193,191,886.88 = 87,037,216.88 : x
2. Step 2: Convert to fraction form
   139,943,456.06/193,191,886.88 = 87,037,216.88/x
3. Step 3: Cross multiply
   139,943,456.06x = 193,191,886.88 × 87,037,216.88
4. Step 4: Simplify right side
   139,943,456.06x = 16,814,884,156,429,842
5. Step 5: Solve for x
   x = 16,814,884,156,429,842/139,943,456.06
6. Step 6: Final answer
   x = 120,154,844.18