Finding the Fourth Proportional to 286,678,103.60, 429,947,277.83 and 79,411,131.34

Step by Step Solution

1. Step 1: Write the proportion equation
   286,678,103.60 : 429,947,277.83 = 79,411,131.34 : x
2. Step 2: Convert to fraction form
   286,678,103.60/429,947,277.83 = 79,411,131.34/x
3. Step 3: Cross multiply
   286,678,103.60x = 429,947,277.83 × 79,411,131.34
4. Step 4: Simplify right side
   286,678,103.60x = 34,142,599,748,305,764
5. Step 5: Solve for x
   x = 34,142,599,748,305,764/286,678,103.60
6. Step 6: Final answer
   x = 119,097,340.61