Finding the Fourth Proportional to 93,196,339.32, 139,684,710.42 and 42,018,439.80

Step by Step Solution

1. Step 1: Write the proportion equation
   93,196,339.32 : 139,684,710.42 = 42,018,439.80 : x
2. Step 2: Convert to fraction form
   93,196,339.32/139,684,710.42 = 42,018,439.80/x
3. Step 3: Cross multiply
   93,196,339.32x = 139,684,710.42 × 42,018,439.80
4. Step 4: Simplify right side
   93,196,339.32x = 5,869,333,595,763,202
5. Step 5: Solve for x
   x = 5,869,333,595,763,202/93,196,339.32
6. Step 6: Final answer
   x = 62,978,155.99