Finding the Fourth Proportional to 73,758,056.10, 110,637,084.15 and 69,978,920.10

Step by Step Solution

1. Step 1: Write the proportion equation
   73,758,056.10 : 110,637,084.15 = 69,978,920.10 : x
2. Step 2: Convert to fraction form
   73,758,056.10/110,637,084.15 = 69,978,920.10/x
3. Step 3: Cross multiply
   73,758,056.10x = 110,637,084.15 × 69,978,920.10
4. Step 4: Simplify right side
   73,758,056.10x = 7,742,263,671,829,826
5. Step 5: Solve for x
   x = 7,742,263,671,829,826/73,758,056.10
6. Step 6: Final answer
   x = 104,968,380.15